Optimus Compact Operating Instructions Manual page 34

Backbone network specifications
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Bandwidth:
o
3kbps of control data for each equipment and 1kbps additionally for each alarm.
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Streaming audio channel according to the audio format protocol (configurable):
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- Note: Control (without alarms) + number of simultaneous channel * Type of format protocol = Bandwidth
o
RAW PCM 48KHz, 4 channels, 100 equipment (3kbps * 100Eq.) + (4CH * 768kbps) = 3.4 Mbps
RAW PCM 48KHz, 4 channels, 50 equipment.  (3kbps * 50Eq.) + (4CH * 768kbps) = 3.2 Mbps
o
o
RTP G.711 A-LAW 8KHz, 4 channels, 100 equipment. (3kbps * 100Eq.) + (4CH * 64kbps) = 0.56 Mbps
RTP G.711 A-LAW 8KHz, 4 channels, 50 equipment.  (3kbps * 50Eq.) + (4CH * 64kbps) = 0.4 Mbps
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Specifications of the Switch/Router for LAN and WAN networks
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Protocols:
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TCP/IP For control/signalling/monitoring status.
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UDP Unicast for Local Audio.
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UDP Multicast for Global Audio.
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Multicast snooping:
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Multicast filtering.
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IGMP v2.
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For large installations:
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Multicast Routing (Spanning Tree).
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Capable to handle TOS (Type Of Service).
COMPACT version 5.0.002
COMPACT
Example:
Matrix with 5 alarms  3kbps (data) + (5 alarms * 1kbps) = 8kbps
Paging console with 2 alarms  3kbps (data) + (2 alarms * 1kbps) = 5kbps
RAW PCM 48KHz / 16 bits: 768kbps for each audio channel.
RAW PCM 24 KHz / 16 bits: 384kbps for each audio channel.
RAW PCM 16 KHz / 16 bits: 256kbps for each audio channel.
RAW PCM 8 KHz / 16 bits: 128kbps for each audio channel.
RTP L16 RAW PCM 44KHz / 16 bits: 705.6kbps for each audio channel.
RTP G.711 µ-LAW 8KHz / 8 bits: 64kbps for each audio channel.
RTP G.711 A-LAW 8KHz / 8 bits: 64kbps for each audio channel.
Total data=13kbps
R +D Department
Modular audio matrix
with IP connection
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